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Finding the Fourth Proportional to 363,812.13, 502,076.27 and 202,667.29

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Solution

The fourth proportional to 363,812.13, 502,076.27 and 202,667.29 is: 279,689.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,812.13 : 502,076.27 = 202,667.29 : x
  2. Step 2: Convert to fraction form
    363,812.13/502,076.27 = 202,667.29/x
  3. Step 3: Cross multiply
    363,812.13x = 502,076.27 × 202,667.29
  4. Step 4: Simplify right side
    363,812.13x = 101,754,436,265.69
  5. Step 5: Solve for x
    x = 101,754,436,265.69/363,812.13
  6. Step 6: Final answer
    x = 279,689.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.